CN219064810U - Aluminium hull explosion-proof valve gas tightness detection device - Google Patents
Aluminium hull explosion-proof valve gas tightness detection device Download PDFInfo
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- CN219064810U CN219064810U CN202223332700.XU CN202223332700U CN219064810U CN 219064810 U CN219064810 U CN 219064810U CN 202223332700 U CN202223332700 U CN 202223332700U CN 219064810 U CN219064810 U CN 219064810U
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- explosion
- proof valve
- detection device
- tightness detection
- sealing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model belongs to the technical field of lithium batteries, and particularly relates to an air tightness detection device for an aluminum shell explosion-proof valve. According to the utility model, through the arrangement of the first sealing piece, the second sealing piece, the bulge, the groove, the alarm, the connecting plate, the spring, the deflector rod and the ejector rod, the fixing effect of the explosion-proof valve to be detected can be realized, the outer side surface of the explosion-proof valve to be detected is perforated (the inner diameter of the hole is matched with the outer diameter of the bulge) before the explosion-proof valve to be detected is detected, the situation that the explosion-proof valve slides in the detection process of the explosion-proof valve can be ensured, the detection accuracy of the explosion-proof valve by the detection device is improved, the automatic contact effect of the explosion-proof valve after detection can be realized, the explosion-proof valve is prevented from being blocked in the sealing piece after extrusion, the unloading operation of the device is improved, and the use effect of the detection device is improved.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an air tightness detection device for an aluminum shell explosion-proof valve.
Background
The current aluminum shell battery consists of a shell, a cover plate and a winding core, wherein an explosion-proof valve is arranged on the cover plate. In general, the leakage of the aluminum-shell battery is leaked from the explosion-proof valve. If the cover plate explosion-proof valve has poor air tightness, the battery has liquid leakage risk; if the battery is in short circuit or is over-charged with gas, the internal pressure of the battery is high, the cover plate explosion-proof valve is not opened, and the battery has explosion risk. It is very important to design a device that can detect both the extreme pressure of the explosion-proof valve and the air tightness of the explosion-proof valve.
The prior art has the following problems:
before the explosion-proof valve is put into the market, the quality of the explosion-proof valve needs to be detected by sampling, the existing detection device needs to be manually fed and discharged, the detected explosion-proof piece can be clamped in the sealing piece under the action of extrusion force, the discharging operation is inconvenient, meanwhile, in the detection process, under the action of air pressure, the explosion-proof valve is easy to slide, and the detection accuracy of the detection device is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides the air tightness detection device for the aluminum shell explosion-proof valve, which solves the problems that the existing detection device needs to be manually fed and discharged, the detected explosion-proof piece can be clamped in the sealing piece under the action of extrusion force, the unloading operation is inconvenient, the explosion-proof valve is easy to slip, and the detection accuracy of the detection device is reduced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof valve gas tightness detection device of aluminum hull, includes mould and lower mould, the upper end of going up the mould is connected with the push rod, the cover body has been seted up to the inside of going up the mould, the lower extreme of the cover body is provided with first sealing piece, the lower extreme of first sealing piece is provided with the arch, the side of going up the mould is provided with air pressure sensor, one side of lower mould is connected with the treater, the cell body has been seted up to the upper surface of lower mould, the inside of cell body is provided with the second sealing piece, the be connected with the sealed tube of cell body, the center department of sealed tube is provided with the manometer, the one end of sealed tube is connected with the air pump, the side of cell body is provided with the guide arm that is connected with the mould, the recess that extends to the inside of lower mould is seted up to the surface of second sealing piece, the inboard of second sealing piece is provided with the ejector pin, the lower extreme of ejector pin is connected with the connecting plate, the lower extreme of connecting plate is connected with the spring, one side of guide arm is provided with the driving lever that is connected with the guide arm.
As a preferable technical scheme of the utility model, an alarm is arranged on one side of the push rod, and the alarm is electrically connected with the air pressure sensor through a processor.
As a preferable technical scheme of the utility model, the number of the protrusions is a plurality of protrusions, and the protrusions are distributed at the lower end of the first sealing piece in a central symmetry mode.
As a preferable technical scheme of the utility model, the number of the grooves is a plurality of grooves, and the grooves are distributed on the surface of the second sealing piece in a central symmetry manner.
As a preferred technical scheme of the utility model, the diameter size of the bulge is matched with the inner diameter size of the groove, and the bulge is inserted into the second sealing piece through the groove.
As a preferable technical scheme of the utility model, the number of the ejector rods is a plurality of the ejector rods, and the ejector rods are distributed in the groove body in a central symmetry manner.
As a preferable technical scheme of the utility model, the number of the guide rods is a plurality, and the guide rods are distributed on the outer side of the groove body in a central symmetry manner and are fixedly connected with the upper die.
Compared with the prior art, the utility model provides the air tightness detection device for the aluminum shell explosion-proof valve, which has the following beneficial effects:
1. this aluminum hull explosion-proof valve gas tightness detection device through setting up first sealing washer, second sealing washer, arch, recess and siren, can realize treating the fixed action of detecting the explosion-proof valve, treat to detect before the explosion-proof valve detects outside surface punch (the internal diameter size of hole and bellied external diameter size assorted), can guarantee the explosion-proof valve and detect the circumstances that appears the explosion-proof valve and slide in-process, improved detection device to the detection accuracy of explosion-proof valve.
2. This aluminum hull explosion-proof valve gas tightness detection device through setting up connecting plate, spring, driving lever and ejector pin, can realize the automatic action of touching of pushing up to detecting back explosion-proof valve, prevents that the explosion-proof valve card after the extrusion from being inside the sealing washer, has improved the operation of unloading of device, has improved detection device's result of use.
Drawings
FIG. 1 is a schematic diagram of an air tightness detection device according to the present utility model;
FIG. 2 is an enlarged schematic view of the structure of the part A;
fig. 3 is a schematic view of the lower die structure.
In the figure: 1. an upper die; 2. a lower die; 3. a push rod; 4. a cover body; 5. a first sealing sheet; 6. a protrusion; 7. an air pressure sensor; 8. an alarm; 9. a processor; 10. a tank body; 11. a second sealing sheet; 12. sealing the tube; 13. a pressure gauge; 14. an air pump; 15. a guide rod; 16. a groove; 17. a push rod; 18. a connecting plate; 19. a spring; 20. a deflector rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, in the present embodiment: the utility model provides an aluminum hull explosion-proof valve gas tightness detection device, including last mould 1 and lower mould 2, the upper end of going up mould 1 is connected with push rod 3, cover body 4 has been seted up to the inside of going up mould 1, the lower extreme of cover body 4 is provided with first sealing piece 5, the lower extreme of first sealing piece 5 is provided with protruding 6, be used for waiting to detect the fixed use of explosion-proof valve, the side of going up mould 1 is provided with air pressure sensor 7, real-time detection uses, one side of lower mould 2 is connected with treater 9, the cell body 10 has been seted up to the upper surface of lower mould 2, the inside of cell body 10 is provided with second sealing piece 11, be connected with seal tube 12 of cell body 10, the center department of seal tube 12 is provided with manometer 13, set up different air pressure numerical value and use, the one end of seal tube 12 is connected with air pump 14, the side of cell body 10 is provided with ejector pin 15 that is connected with last mould 1, the recess 16 that extends to the inside of lower mould 2 is seted up to the surface of second sealing piece 11, the inboard of second sealing piece 11 is provided with ejector pin 17, the lower extreme connection 18 of connecting plate 18 is connected with connecting plate 20 and connecting plate 20 of connecting plate 18, 18 and connecting plate 20 are connected with.
In the embodiment, an alarm 8 is arranged on one side of the push rod 3, and the alarm 8 is electrically connected with the air pressure sensor 7 through a processor 9 and is used for real-time monitoring and control when the explosion-proof valve to be detected is detected; the number of the bulges 6 is a plurality, the bulges 6 are symmetrically distributed at the lower end of the first sealing sheet 5 in a central mode and are used for fixing the explosion-proof valve to be detected, the situation of slipping is prevented, and the detection accuracy of the device is improved; the number of the grooves 16 is a plurality, the grooves 16 are distributed on the surface of the second sealing piece 11 in a central symmetry manner and are used for fixing the explosion-proof valve to be detected, so that the situation of slipping is prevented, and the detection accuracy of the device is improved; the diameter size of the bulge 6 is matched with the inner diameter size of the groove 16, the bulge 6 is spliced with the second sealing piece 11 through the groove 16 and is used for fixing the explosion-proof valve to be detected, so that the situation of sliding is prevented, and the detection accuracy of the device is improved; the number of the ejector rods 17 is a plurality, the ejector rods 17 are symmetrically distributed in the groove body 10 in a central mode, the automatic jacking and discharging effects of the explosion-proof valve after detection are achieved, the discharging operation is convenient, and the using effect of the detection device is improved; the number of the guide rods 15 is a plurality, the guide rods 15 are distributed on the outer side of the groove body 10 in a central symmetry mode and are fixedly connected with the upper die 1, and the stability of the movement of the device is guaranteed.
The working principle and the using flow of the utility model are as follows: during sampling detection, a detection personnel adopts a drilling device to drill the outer side edge of the explosion-proof valve to be detected (the inner diameter of a hole is the same as the inner diameter of the groove 16), the explosion-proof valve to be detected after drilling is firstly placed in the groove body 10 during detection, the hole is aligned with the groove 16, a starting device, the push rod 3 moves downwards with the upper die 1, the bulge 6 moves downwards slowly, the bulge 6 penetrates through the hole to be inserted into the groove 16, the first sealing piece 5 and the second sealing piece 11 are tightly attached, then an operator adjusts the threshold value of the pressure gauge 13, the air pump 14 charges the inside of the explosion-proof valve in the groove body 10, when the inside of the alarm 8 does not sound, the value of the pressure gauge 13 is adjusted again, the air pump 14 charges again, when the explosion-proof valve breaks, the air pressure enters the inside of the cover body 4, the air pressure sensor 7 senses, the processor 9 controls the alarm 8 to sound, and the detection of the value of the explosion-proof valve is completed.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (7)
1. The utility model provides an explosion-proof valve gas tightness detection device of aluminum hull, includes mould (1) and lower mould (2), its characterized in that: the upper end of the upper die (1) is connected with a push rod (3), a cover body (4) is arranged in the upper die (1), a first sealing sheet (5) is arranged at the lower end of the cover body (4), a bulge (6) is arranged at the lower end of the first sealing sheet (5), a pneumatic sensor (7) is arranged on the side face of the upper die (1), a processor (9) is connected to one side of the lower die (2), a groove body (10) is arranged on the upper surface of the lower die (2), a second sealing sheet (11) is arranged in the groove body (10), a sealing tube (12) is connected to the groove body (10), a pressure gauge (13) is arranged at the center of the sealing tube (12), an air pump (14) is connected to one end of the sealing tube (12), a guide rod (15) connected with the upper die (1) is arranged on the side face of the groove body (10), a groove (16) extending to the inner side of the lower die (2) is arranged on the surface of the second sealing sheet (11), a spring (17) is arranged at the inner side of the second sealing sheet (11), a connecting plate (17) is connected to the inner side of the second sealing sheet (17), one side of the connecting plate (18) is provided with a deflector rod (20) connected with the guide rod (15).
2. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: an alarm (8) is arranged on one side of the push rod (3), and the alarm (8) is electrically connected with the air pressure sensor (7) through a processor (9).
3. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: the number of the bulges (6) is a plurality of, and the bulges (6) are distributed at the lower end of the first sealing piece (5) in a central symmetry manner.
4. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: the number of the grooves (16) is a plurality, and the grooves (16) are distributed on the surface of the second sealing piece (11) in a central symmetry mode.
5. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: the diameter size of the bulge (6) is matched with the inner diameter size of the groove (16), and the bulge (6) is inserted into the second sealing piece (11) through the groove (16).
6. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: the number of the ejector rods (17) is a plurality, and the ejector rods (17) are distributed in the groove body (10) in a central symmetry mode.
7. The aluminum hull explosion-proof valve air tightness detection device according to claim 1, wherein: the number of the guide rods (15) is a plurality, and the guide rods (15) are distributed on the outer side of the groove body (10) in a central symmetry mode and are fixedly connected with the upper die (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332700.XU CN219064810U (en) | 2022-12-12 | 2022-12-12 | Aluminium hull explosion-proof valve gas tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223332700.XU CN219064810U (en) | 2022-12-12 | 2022-12-12 | Aluminium hull explosion-proof valve gas tightness detection device |
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| Publication Number | Publication Date |
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| CN219064810U true CN219064810U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223332700.XU Active CN219064810U (en) | 2022-12-12 | 2022-12-12 | Aluminium hull explosion-proof valve gas tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367989A (en) * | 2023-11-15 | 2024-01-09 | 深圳华尔升智控技术有限公司 | Explosion, respiration and pressure-resistant gas detection test equipment for battery cover plate |
-
2022
- 2022-12-12 CN CN202223332700.XU patent/CN219064810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117367989A (en) * | 2023-11-15 | 2024-01-09 | 深圳华尔升智控技术有限公司 | Explosion, respiration and pressure-resistant gas detection test equipment for battery cover plate |
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